Digital media that has been blockchained into a blockchain file format may be stored into a secondary file format like a Material eXchange Format (MXF) digital file by deconstructing the blockchain file and storing its subcomponent blockchain data and blockchain hash digests for each block within separate structures of the MXF digital file by generating a table for the blockchain hash digests that links to the blockchain data through data pointers. These separate structures of the MXF digital file are the generic container for a media file and a SDTI-CP (Serial Data Transport Interface—Content Package) compatible system item.
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2. The non-transitory computer tangible medium of claim 1, further comprising error checking the media blockchain file by extracting the blockchain hash digests from the SDTI-CP compatible system item and comparing them to the blockchain data stored within the generic container.
This invention relates to a system for securely storing and verifying blockchain data within a media file format compatible with the SDTI-CP (Serial Digital Transport Interface - Content Protection) standard. The problem addressed is ensuring the integrity and authenticity of blockchain data embedded within media files, particularly in environments where tampering or corruption may occur. The system involves a non-transitory computer-readable medium that stores a media file containing a blockchain file. The blockchain file is embedded within a generic container structure that is compatible with SDTI-CP systems. The generic container includes metadata and data segments, where the blockchain data is stored in a dedicated segment. To verify the integrity of the blockchain data, the system extracts hash digests from the SDTI-CP compatible system item and compares them to the blockchain data stored within the generic container. This comparison ensures that the blockchain data has not been altered since it was originally embedded. The system also includes mechanisms for error checking the blockchain file by validating the extracted hash digests against the stored blockchain data. This process helps detect any discrepancies or corruption in the blockchain data, ensuring its reliability for applications such as digital rights management, content authentication, or decentralized media verification. The use of SDTI-CP compatibility ensures that the media file can be seamlessly integrated into existing broadcast and media workflows while maintaining the security benefits of blockchain technology.
3. The non-transitory computer tangible medium of claim 2, further comprising denying access to the media blockchain file when the extracted blockchain hash digests do not match the blockchain data contained within the generic container.
A system and method for verifying the integrity of media files stored in a blockchain-based container. The technology addresses the problem of ensuring that media files, such as video or audio, have not been tampered with during storage or transmission. The system uses a blockchain to store cryptographic hash digests of the media files, which are then embedded within a generic container file. When accessing the media file, the system extracts the blockchain hash digests from the container and compares them to the actual blockchain data stored within the container. If the extracted hash digests do not match the blockchain data, access to the media file is denied, preventing unauthorized or corrupted content from being accessed. The system ensures that only verified, unaltered media files are accessible, enhancing security and trust in digital media storage and distribution. The method involves generating hash digests of the media file, storing them in a blockchain, embedding the blockchain data within a generic container, and performing integrity checks upon access. This approach provides a tamper-evident mechanism for media file verification.
4. The non-transitory computer tangible medium of claim 2, further comprising allowing access to the media blockchain file when the blockchain hash digests match the blockchain data.
A system and method for secure media verification using blockchain technology addresses the problem of tampering and unauthorized access to digital media files. The invention involves storing media files in a blockchain structure, where each file is associated with a cryptographic hash digest. The system verifies the integrity of the media files by comparing the stored hash digests with the current blockchain data. If the hash digests match, access to the media file is granted, ensuring that the file has not been altered. The blockchain structure provides a decentralized and tamper-evident ledger, making it difficult for unauthorized parties to modify the media files without detection. The system also includes a method for generating and storing the hash digests, as well as a mechanism for validating the blockchain data to ensure consistency across the network. This approach enhances the security and trustworthiness of digital media storage and distribution.
5. The non-transitory computer tangible medium of claim 1, wherein the media data is encrypted with an encryption key that is stored in a cloud-based storage location that is accessible with a link stored in the SDTI-CP compatible system item.
This invention relates to secure media data storage and retrieval in a cloud-based system. The problem addressed is the need to protect media data from unauthorized access while ensuring it remains accessible to authorized users. The solution involves encrypting media data with an encryption key and storing the key in a cloud-based storage location. Access to the encrypted media data is controlled through a system item compatible with the Serial Data Transport Interface-Content Protection (SDTI-CP) standard. The system item contains a link that allows retrieval of the encryption key from the cloud-based storage, enabling decryption and access to the media data. The cloud-based storage provides centralized key management, reducing the risk of key loss or unauthorized access. The SDTI-CP compatible system item ensures interoperability with existing media workflows. This approach enhances security by separating the media data from its encryption key, requiring both the encrypted data and the key link to access the content. The system is designed for use in media production, broadcasting, or other environments where secure data handling is critical.
7. The non-transitory computer tangible medium of claim 6, wherein the media data is encrypted with an encryption key that is stored in a cloud-based storage location that is accessible with a link stored in the SDTI-CP compatible system item.
This invention relates to secure media data storage and retrieval in a cloud-based system. The problem addressed is the need to protect media data from unauthorized access while ensuring it remains accessible to authorized users. The solution involves encrypting media data using an encryption key stored in a cloud-based storage location. The key is accessed via a link embedded within a system item that complies with the SDTI-CP (Serial Digital Transport Interface - Content Protection) standard. This ensures that the media data remains secure during storage and transmission, while the link provides a controlled means of retrieval. The system item, which may be part of a larger media workflow or management system, contains metadata and other control information necessary for processing the encrypted media data. The encryption key is stored separately from the media data, reducing the risk of unauthorized access. The link within the system item directs the system to the cloud-based storage location where the encryption key is retrieved to decrypt the media data when needed. This approach enhances security by separating the data and its decryption key, while maintaining compatibility with existing SDTI-CP standards for media handling. The invention is particularly useful in environments where media data must be securely stored and shared across multiple systems or users.
9. The non-transitory computer tangible medium of claim 6, further comprising allowing access to the media blockchain file when the blockchain hash digests match the blockchain data.
A system and method for secure media access control using blockchain technology. The invention addresses the problem of unauthorized access to digital media files by leveraging blockchain-based verification to ensure data integrity and authenticity. The system stores media files in a blockchain structure, where each file is associated with a cryptographic hash digest that serves as a unique identifier. When a user requests access to a media file, the system compares the stored blockchain hash digest with the actual data in the blockchain file. Access is granted only if the hash digests match, confirming that the data has not been tampered with. This ensures that only verified, unaltered media files are accessible. The system may also include additional security measures, such as encryption and user authentication, to further protect the media files. The blockchain structure provides a decentralized and tamper-evident way to manage media access, reducing the risk of unauthorized modifications or breaches. The invention is particularly useful in applications where data integrity and security are critical, such as digital rights management, secure file sharing, and media distribution platforms.
11. The non-transitory computer tangible medium of claim 10, further comprising error checking the media blockchain file by extracting the blockchain hash digests from the SDTI-CP compatible system item and comparing them to the blockchain data stored within the generic container.
This invention relates to a system for managing and verifying media data using blockchain technology. The system addresses the problem of ensuring the integrity and authenticity of media files by leveraging blockchain-based verification mechanisms. The invention involves storing media data in a generic container format, where the container includes blockchain data that provides a tamper-evident record of the media file's history and modifications. The system also includes a media blockchain file that contains hash digests of the media data, which are used for error checking and verification. The error-checking process involves extracting these hash digests from a system item compatible with the SDTI-CP (Serial Data Transport Interface - Content Protection) standard and comparing them to the blockchain data stored within the generic container. This comparison ensures that the media data has not been altered since it was initially recorded or processed. The system enhances security by providing a decentralized and immutable way to verify the authenticity of media files, which is particularly useful in applications requiring high levels of trust, such as digital rights management, forensic analysis, and content distribution. The use of blockchain technology ensures that any unauthorized changes to the media data can be detected, maintaining the integrity of the content throughout its lifecycle.
12. The non-transitory computer tangible medium of claim 11, further comprising denying access to the media blockchain file when the extracted blockchain hash digests do not match the blockchain data contained within the generic container.
A system and method for verifying the integrity of media files stored in a blockchain-based container. The technology addresses the problem of ensuring that media files, such as video or audio, have not been tampered with during storage or transmission. The system uses a blockchain to store cryptographic hash digests of the media files, which are then compared to the actual media data to detect any unauthorized modifications. The media files are stored in a generic container format, which includes metadata and the blockchain data. When accessing the media file, the system extracts the blockchain hash digests from the container and compares them to the actual media data. If the extracted hash digests do not match the media data, access to the file is denied, preventing unauthorized or corrupted content from being accessed. This ensures the authenticity and integrity of the media files, which is critical for applications such as digital rights management, forensic analysis, and secure content distribution. The system may also include additional features, such as logging access attempts and generating alerts for mismatches, to enhance security and traceability.
13. The non-transitory computer tangible medium of claim 11, further comprising allowing access to the media blockchain file when the blockchain hash digests match the blockchain data.
A system and method for secure media access control using blockchain technology addresses the problem of unauthorized access to digital media files. The invention involves a blockchain-based verification mechanism to ensure the integrity and authenticity of media files before granting access. The system generates a blockchain hash digest for a media file and stores it in a blockchain ledger. When a user requests access to the media file, the system compares the stored blockchain hash digest with the current blockchain data. Access is granted only if the hash digests match, confirming the media file has not been tampered with. The system also includes a method for generating the blockchain hash digest by processing the media file through a cryptographic hash function, ensuring a unique and tamper-evident fingerprint of the file. Additionally, the system may include a user authentication module to verify the identity of the requester before allowing access. The blockchain ledger is distributed and immutable, providing a decentralized and secure way to track media file integrity. This approach prevents unauthorized modifications and ensures that only verified users can access the media, enhancing security and trust in digital media distribution.
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December 17, 2019
December 6, 2022
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